baikalite

例句：

1. 1. The white marble statue was carved by a skilled craftsman.
   那尊白色大理石雕像是由一位熟练的工匠雕刻而成的。
2. 2.The builders used lime to waterproof the walls during construction.
   建筑工人在建造过程中使用石灰来防水墙壁。
3. 3. Limestone is commonly used as a building material in many parts of the world.
   石灰石在世界许多地方被用作建筑材料。